NBI Appointment is an online service that helps applicants schedule their appointments for the National Bureau of Investigation (NBI) clearance in the Philippines. The process allows applicants to select an available appointment date, choose a convenient NBI branch, and prepare the necessary documents before visiting the office. Learn how to register online, book an appointment, pay the required fee, and check your appointment details. This guide provides useful information to help make your NBI clearance application simple, convenient, and hassle-free.